[linux-6.6.y] Driver for Zhaoxin AES and SHA algorithm

drivers/crypto/Kconfig

@@ -52,6 +52,48 @@ config CRYPTO_DEV_PADLOCK_SHA
 	  If unsure say M. The compiled module will be
 	  called padlock-sha.
 
+config CRYPTO_DEV_ZHAOXIN
+	tristate "Support for Zhaoxin ACE"
+	depends on X86 && !UML
+	default m
+	help
+	  Some Zhaoxin processors come with an integrated crypto engine
+	  (so called Zhaoxin ACE, Advanced Cryptography Engine)
+	  that provides instructions for very fast cryptographic
+	  operations with supported algorithms.
+
+	  The instructions are used only when the CPU supports them.
+	  Otherwise software encryption is used.
+
+config CRYPTO_DEV_ZHAOXIN_AES
+	tristate "Zhaoxin ACE driver for AES algorithm"
+	depends on CRYPTO_DEV_ZHAOXIN
+	default CRYPTO_DEV_ZHAOXIN
+	select CRYPTO_BLKCIPHER
+	select CRYPTO_AES
+	help
+	  Use Zhaoxin ACE for AES algorithm.
+
+	  Available in Zhaoxin CPUs.
+
+	  If unsure say M. The compiled module will be
+	  called zhaoxin-aes.
+
+config CRYPTO_DEV_ZHAOXIN_SHA
+	tristate "Zhaoxin ACE driver for SHA1 and SHA256 algorithms"
+	depends on CRYPTO_DEV_ZHAOXIN
+	default CRYPTO_DEV_ZHAOXIN
+	select CRYPTO_HASH
+	select CRYPTO_SHA1
+	select CRYPTO_SHA256
+	help
+	  Use Zhaoxin ACE for SHA1/SHA256 algorithms.
+
+	  Available in Zhaoxin processors.
+
+	  If unsure say M. The compiled module will be
+	  called zhaoxin-sha.
+
 config CRYPTO_DEV_GEODE
 	tristate "Support for the Geode LX AES engine"
 	depends on X86_32 && PCI

drivers/crypto/Makefile

@@ -31,6 +31,8 @@ obj-$(CONFIG_CRYPTO_DEV_OMAP_DES) += omap-des.o
 obj-$(CONFIG_CRYPTO_DEV_OMAP_SHAM) += omap-sham.o
 obj-$(CONFIG_CRYPTO_DEV_PADLOCK_AES) += padlock-aes.o
 obj-$(CONFIG_CRYPTO_DEV_PADLOCK_SHA) += padlock-sha.o
+obj-$(CONFIG_CRYPTO_DEV_ZHAOXIN_AES) += zhaoxin-aes.o
+obj-$(CONFIG_CRYPTO_DEV_ZHAOXIN_SHA) += zhaoxin-sha.o
 obj-$(CONFIG_CRYPTO_DEV_PPC4XX) += amcc/
 obj-$(CONFIG_CRYPTO_DEV_QCE) += qce/
 obj-$(CONFIG_CRYPTO_DEV_QCOM_RNG) += qcom-rng.o

drivers/crypto/padlock-aes.c

@@ -475,7 +475,7 @@ static struct skcipher_alg cbc_aes_alg = {
 };
 
 static const struct x86_cpu_id padlock_cpu_id[] = {
-	X86_MATCH_FEATURE(X86_FEATURE_XCRYPT, NULL),
+	{ X86_VENDOR_CENTAUR, 6, X86_MODEL_ANY, X86_FEATURE_XCRYPT },
 	{}
 };
 MODULE_DEVICE_TABLE(x86cpu, padlock_cpu_id);

drivers/crypto/padlock-sha.c

@@ -491,7 +491,7 @@ static struct shash_alg sha256_alg_nano = {
 };
 
 static const struct x86_cpu_id padlock_sha_ids[] = {
-	X86_MATCH_FEATURE(X86_FEATURE_PHE, NULL),
+	{ X86_VENDOR_CENTAUR, 6, X86_MODEL_ANY, X86_FEATURE_PHE },
 	{}
 };
 MODULE_DEVICE_TABLE(x86cpu, padlock_sha_ids);